Home / 7,532.96-10,390.28-5,171.00

Finding the Fourth Proportional to 7,532.96, 10,390.28 and 5,171.00

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Solution

The fourth proportional to 7,532.96, 10,390.28 and 5,171.00 is: 7,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,532.96 : 10,390.28 = 5,171.00 : x
  2. Step 2: Convert to fraction form
    7,532.96/10,390.28 = 5,171.00/x
  3. Step 3: Cross multiply
    7,532.96x = 10,390.28 × 5,171.00
  4. Step 4: Simplify right side
    7,532.96x = 53,728,060.07
  5. Step 5: Solve for x
    x = 53,728,060.07/7,532.96
  6. Step 6: Final answer
    x = 7,132.40

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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.