Home / 8,931.39-12,325.60-4,952.87

Finding the Fourth Proportional to 8,931.39, 12,325.60 and 4,952.87

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Solution

The fourth proportional to 8,931.39, 12,325.60 and 4,952.87 is: 6,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.39 : 12,325.60 = 4,952.87 : x
  2. Step 2: Convert to fraction form
    8,931.39/12,325.60 = 4,952.87/x
  3. Step 3: Cross multiply
    8,931.39x = 12,325.60 × 4,952.87
  4. Step 4: Simplify right side
    8,931.39x = 61,047,094.47
  5. Step 5: Solve for x
    x = 61,047,094.47/8,931.39
  6. Step 6: Final answer
    x = 6,835.12

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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.