Home / 7,233.40-9,981.76-4,089.52

Finding the Fourth Proportional to 7,233.40, 9,981.76 and 4,089.52

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Solution

The fourth proportional to 7,233.40, 9,981.76 and 4,089.52 is: 5,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,233.40 : 9,981.76 = 4,089.52 : x
  2. Step 2: Convert to fraction form
    7,233.40/9,981.76 = 4,089.52/x
  3. Step 3: Cross multiply
    7,233.40x = 9,981.76 × 4,089.52
  4. Step 4: Simplify right side
    7,233.40x = 40,820,607.16
  5. Step 5: Solve for x
    x = 40,820,607.16/7,233.40
  6. Step 6: Final answer
    x = 5,643.35

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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.