Home / 6,545.77-9,818.66-5,389.09

Finding the Fourth Proportional to 6,545.77, 9,818.66 and 5,389.09

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Solution

The fourth proportional to 6,545.77, 9,818.66 and 5,389.09 is: 8,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.77 : 9,818.66 = 5,389.09 : x
  2. Step 2: Convert to fraction form
    6,545.77/9,818.66 = 5,389.09/x
  3. Step 3: Cross multiply
    6,545.77x = 9,818.66 × 5,389.09
  4. Step 4: Simplify right side
    6,545.77x = 52,913,615.47
  5. Step 5: Solve for x
    x = 52,913,615.47/6,545.77
  6. Step 6: Final answer
    x = 8,083.64

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Double scale
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Similar ratio
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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.