Home / 9,152.50-12,630.48-4,960.78

Finding the Fourth Proportional to 9,152.50, 12,630.48 and 4,960.78

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Solution

The fourth proportional to 9,152.50, 12,630.48 and 4,960.78 is: 6,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.50 : 12,630.48 = 4,960.78 : x
  2. Step 2: Convert to fraction form
    9,152.50/12,630.48 = 4,960.78/x
  3. Step 3: Cross multiply
    9,152.50x = 12,630.48 × 4,960.78
  4. Step 4: Simplify right side
    9,152.50x = 62,657,032.57
  5. Step 5: Solve for x
    x = 62,657,032.57/9,152.50
  6. Step 6: Final answer
    x = 6,845.89

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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.