Home / 9,152.64-12,630.40-4,960.80

Finding the Fourth Proportional to 9,152.64, 12,630.40 and 4,960.80

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Solution

The fourth proportional to 9,152.64, 12,630.40 and 4,960.80 is: 6,845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.64 : 12,630.40 = 4,960.80 : x
  2. Step 2: Convert to fraction form
    9,152.64/12,630.40 = 4,960.80/x
  3. Step 3: Cross multiply
    9,152.64x = 12,630.40 × 4,960.80
  4. Step 4: Simplify right side
    9,152.64x = 62,656,888.32
  5. Step 5: Solve for x
    x = 62,656,888.32/9,152.64
  6. Step 6: Final answer
    x = 6,845.77

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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.