Home / 7,937.53-10,966.98-6,271.72

Finding the Fourth Proportional to 7,937.53, 10,966.98 and 6,271.72

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Solution

The fourth proportional to 7,937.53, 10,966.98 and 6,271.72 is: 8,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.53 : 10,966.98 = 6,271.72 : x
  2. Step 2: Convert to fraction form
    7,937.53/10,966.98 = 6,271.72/x
  3. Step 3: Cross multiply
    7,937.53x = 10,966.98 × 6,271.72
  4. Step 4: Simplify right side
    7,937.53x = 68,781,827.81
  5. Step 5: Solve for x
    x = 68,781,827.81/7,937.53
  6. Step 6: Final answer
    x = 8,665.39

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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.