Home / 6,280.32-8,657.59-4,785.65

Finding the Fourth Proportional to 6,280.32, 8,657.59 and 4,785.65

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Solution

The fourth proportional to 6,280.32, 8,657.59 and 4,785.65 is: 6,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.32 : 8,657.59 = 4,785.65 : x
  2. Step 2: Convert to fraction form
    6,280.32/8,657.59 = 4,785.65/x
  3. Step 3: Cross multiply
    6,280.32x = 8,657.59 × 4,785.65
  4. Step 4: Simplify right side
    6,280.32x = 41,432,195.58
  5. Step 5: Solve for x
    x = 41,432,195.58/6,280.32
  6. Step 6: Final answer
    x = 6,597.15

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Double scale
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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.