Home / 4,545.48-6,821.37-1,772.18

Finding the Fourth Proportional to 4,545.48, 6,821.37 and 1,772.18

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Solution

The fourth proportional to 4,545.48, 6,821.37 and 1,772.18 is: 2,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.48 : 6,821.37 = 1,772.18 : x
  2. Step 2: Convert to fraction form
    4,545.48/6,821.37 = 1,772.18/x
  3. Step 3: Cross multiply
    4,545.48x = 6,821.37 × 1,772.18
  4. Step 4: Simplify right side
    4,545.48x = 12,088,695.49
  5. Step 5: Solve for x
    x = 12,088,695.49/4,545.48
  6. Step 6: Final answer
    x = 2,659.50

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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.