Home / 9,711.42-14,570.36-4,784.46

Finding the Fourth Proportional to 9,711.42, 14,570.36 and 4,784.46

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Solution

The fourth proportional to 9,711.42, 14,570.36 and 4,784.46 is: 7,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711.42 : 14,570.36 = 4,784.46 : x
  2. Step 2: Convert to fraction form
    9,711.42/14,570.36 = 4,784.46/x
  3. Step 3: Cross multiply
    9,711.42x = 14,570.36 × 4,784.46
  4. Step 4: Simplify right side
    9,711.42x = 69,711,304.61
  5. Step 5: Solve for x
    x = 69,711,304.61/9,711.42
  6. Step 6: Final answer
    x = 7,178.28

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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.