Home / 4,743.20-6,545.48-2,647.28

Finding the Fourth Proportional to 4,743.20, 6,545.48 and 2,647.28

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Solution

The fourth proportional to 4,743.20, 6,545.48 and 2,647.28 is: 3,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.20 : 6,545.48 = 2,647.28 : x
  2. Step 2: Convert to fraction form
    4,743.20/6,545.48 = 2,647.28/x
  3. Step 3: Cross multiply
    4,743.20x = 6,545.48 × 2,647.28
  4. Step 4: Simplify right side
    4,743.20x = 17,327,718.29
  5. Step 5: Solve for x
    x = 17,327,718.29/4,743.20
  6. Step 6: Final answer
    x = 3,653.17

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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.