Home / 7,232.06-9,988.45-4,870.10

Finding the Fourth Proportional to 7,232.06, 9,988.45 and 4,870.10

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Solution

The fourth proportional to 7,232.06, 9,988.45 and 4,870.10 is: 6,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.06 : 9,988.45 = 4,870.10 : x
  2. Step 2: Convert to fraction form
    7,232.06/9,988.45 = 4,870.10/x
  3. Step 3: Cross multiply
    7,232.06x = 9,988.45 × 4,870.10
  4. Step 4: Simplify right side
    7,232.06x = 48,644,763.14
  5. Step 5: Solve for x
    x = 48,644,763.14/7,232.06
  6. Step 6: Final answer
    x = 6,726.26

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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.