Home / 7,575.19-10,453.76-4,431.98

Finding the Fourth Proportional to 7,575.19, 10,453.76 and 4,431.98

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Solution

The fourth proportional to 7,575.19, 10,453.76 and 4,431.98 is: 6,116.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.19 : 10,453.76 = 4,431.98 : x
  2. Step 2: Convert to fraction form
    7,575.19/10,453.76 = 4,431.98/x
  3. Step 3: Cross multiply
    7,575.19x = 10,453.76 × 4,431.98
  4. Step 4: Simplify right side
    7,575.19x = 46,330,875.84
  5. Step 5: Solve for x
    x = 46,330,875.84/7,575.19
  6. Step 6: Final answer
    x = 6,116.14

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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.