Home / 7,210.62-9,967.59-5,132.70

Finding the Fourth Proportional to 7,210.62, 9,967.59 and 5,132.70

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Solution

The fourth proportional to 7,210.62, 9,967.59 and 5,132.70 is: 7,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.62 : 9,967.59 = 5,132.70 : x
  2. Step 2: Convert to fraction form
    7,210.62/9,967.59 = 5,132.70/x
  3. Step 3: Cross multiply
    7,210.62x = 9,967.59 × 5,132.70
  4. Step 4: Simplify right side
    7,210.62x = 51,160,649.19
  5. Step 5: Solve for x
    x = 51,160,649.19/7,210.62
  6. Step 6: Final answer
    x = 7,095.18

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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.