Home / 9,420.79-14,127.08-4,737.88

Finding the Fourth Proportional to 9,420.79, 14,127.08 and 4,737.88

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Solution

The fourth proportional to 9,420.79, 14,127.08 and 4,737.88 is: 7,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.79 : 14,127.08 = 4,737.88 : x
  2. Step 2: Convert to fraction form
    9,420.79/14,127.08 = 4,737.88/x
  3. Step 3: Cross multiply
    9,420.79x = 14,127.08 × 4,737.88
  4. Step 4: Simplify right side
    9,420.79x = 66,932,386.32
  5. Step 5: Solve for x
    x = 66,932,386.32/9,420.79
  6. Step 6: Final answer
    x = 7,104.75

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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.