Home / 5,555.40-7,666.48-3,037.47

Finding the Fourth Proportional to 5,555.40, 7,666.48 and 3,037.47

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Solution

The fourth proportional to 5,555.40, 7,666.48 and 3,037.47 is: 4,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.40 : 7,666.48 = 3,037.47 : x
  2. Step 2: Convert to fraction form
    5,555.40/7,666.48 = 3,037.47/x
  3. Step 3: Cross multiply
    5,555.40x = 7,666.48 × 3,037.47
  4. Step 4: Simplify right side
    5,555.40x = 23,286,703.01
  5. Step 5: Solve for x
    x = 23,286,703.01/5,555.40
  6. Step 6: Final answer
    x = 4,191.72

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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.