Home / 6,545.51-9,818.31-2,385.65

Finding the Fourth Proportional to 6,545.51, 9,818.31 and 2,385.65

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Solution

The fourth proportional to 6,545.51, 9,818.31 and 2,385.65 is: 3,578.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.51 : 9,818.31 = 2,385.65 : x
  2. Step 2: Convert to fraction form
    6,545.51/9,818.31 = 2,385.65/x
  3. Step 3: Cross multiply
    6,545.51x = 9,818.31 × 2,385.65
  4. Step 4: Simplify right side
    6,545.51x = 23,423,084.74
  5. Step 5: Solve for x
    x = 23,423,084.74/6,545.51
  6. Step 6: Final answer
    x = 3,578.50

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.