Home / 9,715.06-14,572.59-3,871.72

Finding the Fourth Proportional to 9,715.06, 14,572.59 and 3,871.72

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Solution

The fourth proportional to 9,715.06, 14,572.59 and 3,871.72 is: 5,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.06 : 14,572.59 = 3,871.72 : x
  2. Step 2: Convert to fraction form
    9,715.06/14,572.59 = 3,871.72/x
  3. Step 3: Cross multiply
    9,715.06x = 14,572.59 × 3,871.72
  4. Step 4: Simplify right side
    9,715.06x = 56,420,988.15
  5. Step 5: Solve for x
    x = 56,420,988.15/9,715.06
  6. Step 6: Final answer
    x = 5,807.58

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1.5x scale

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.