Home / 9,417.28-14,138.88-4,803.52

Finding the Fourth Proportional to 9,417.28, 14,138.88 and 4,803.52

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Solution

The fourth proportional to 9,417.28, 14,138.88 and 4,803.52 is: 7,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.28 : 14,138.88 = 4,803.52 : x
  2. Step 2: Convert to fraction form
    9,417.28/14,138.88 = 4,803.52/x
  3. Step 3: Cross multiply
    9,417.28x = 14,138.88 × 4,803.52
  4. Step 4: Simplify right side
    9,417.28x = 67,916,392.86
  5. Step 5: Solve for x
    x = 67,916,392.86/9,417.28
  6. Step 6: Final answer
    x = 7,211.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.