Home / 8,931.74-12,325.78-4,952.75

Finding the Fourth Proportional to 8,931.74, 12,325.78 and 4,952.75

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Solution

The fourth proportional to 8,931.74, 12,325.78 and 4,952.75 is: 6,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.74 : 12,325.78 = 4,952.75 : x
  2. Step 2: Convert to fraction form
    8,931.74/12,325.78 = 4,952.75/x
  3. Step 3: Cross multiply
    8,931.74x = 12,325.78 × 4,952.75
  4. Step 4: Simplify right side
    8,931.74x = 61,046,506.90
  5. Step 5: Solve for x
    x = 61,046,506.90/8,931.74
  6. Step 6: Final answer
    x = 6,834.78

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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.