Home / 9,158.45-12,638.70-4,966.70

Finding the Fourth Proportional to 9,158.45, 12,638.70 and 4,966.70

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Solution

The fourth proportional to 9,158.45, 12,638.70 and 4,966.70 is: 6,854.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.45 : 12,638.70 = 4,966.70 : x
  2. Step 2: Convert to fraction form
    9,158.45/12,638.70 = 4,966.70/x
  3. Step 3: Cross multiply
    9,158.45x = 12,638.70 × 4,966.70
  4. Step 4: Simplify right side
    9,158.45x = 62,772,568.10
  5. Step 5: Solve for x
    x = 62,772,568.10/9,158.45
  6. Step 6: Final answer
    x = 6,854.06

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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.