Home / 7,563.38-10,437.46-4,421.39

Finding the Fourth Proportional to 7,563.38, 10,437.46 and 4,421.39

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Solution

The fourth proportional to 7,563.38, 10,437.46 and 4,421.39 is: 6,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.38 : 10,437.46 = 4,421.39 : x
  2. Step 2: Convert to fraction form
    7,563.38/10,437.46 = 4,421.39/x
  3. Step 3: Cross multiply
    7,563.38x = 10,437.46 × 4,421.39
  4. Step 4: Simplify right side
    7,563.38x = 46,148,018.03
  5. Step 5: Solve for x
    x = 46,148,018.03/7,563.38
  6. Step 6: Final answer
    x = 6,101.51

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Half scale
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Double scale
Find fourth proportional to 7,564.38, 10,438.84 and 4,422.39
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.