Home / 4,547.20-6,275.28-2,557.66

Finding the Fourth Proportional to 4,547.20, 6,275.28 and 2,557.66

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Solution

The fourth proportional to 4,547.20, 6,275.28 and 2,557.66 is: 3,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.20 : 6,275.28 = 2,557.66 : x
  2. Step 2: Convert to fraction form
    4,547.20/6,275.28 = 2,557.66/x
  3. Step 3: Cross multiply
    4,547.20x = 6,275.28 × 2,557.66
  4. Step 4: Simplify right side
    4,547.20x = 16,050,032.64
  5. Step 5: Solve for x
    x = 16,050,032.64/4,547.20
  6. Step 6: Final answer
    x = 3,529.65

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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.