Home / 5,458.39-7,532.16-3,220.13

Finding the Fourth Proportional to 5,458.39, 7,532.16 and 3,220.13

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Solution

The fourth proportional to 5,458.39, 7,532.16 and 3,220.13 is: 4,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.39 : 7,532.16 = 3,220.13 : x
  2. Step 2: Convert to fraction form
    5,458.39/7,532.16 = 3,220.13/x
  3. Step 3: Cross multiply
    5,458.39x = 7,532.16 × 3,220.13
  4. Step 4: Simplify right side
    5,458.39x = 24,254,547.12
  5. Step 5: Solve for x
    x = 24,254,547.12/5,458.39
  6. Step 6: Final answer
    x = 4,443.54

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.