Home / 4,320.27-6,479.44-1,547.12

Finding the Fourth Proportional to 4,320.27, 6,479.44 and 1,547.12

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Solution

The fourth proportional to 4,320.27, 6,479.44 and 1,547.12 is: 2,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.27 : 6,479.44 = 1,547.12 : x
  2. Step 2: Convert to fraction form
    4,320.27/6,479.44 = 1,547.12/x
  3. Step 3: Cross multiply
    4,320.27x = 6,479.44 × 1,547.12
  4. Step 4: Simplify right side
    4,320.27x = 10,024,483.54
  5. Step 5: Solve for x
    x = 10,024,483.54/4,320.27
  6. Step 6: Final answer
    x = 2,320.34

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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.