Home / 4,320.32-6,480.58-1,547.19

Finding the Fourth Proportional to 4,320.32, 6,480.58 and 1,547.19

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Solution

The fourth proportional to 4,320.32, 6,480.58 and 1,547.19 is: 2,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.32 : 6,480.58 = 1,547.19 : x
  2. Step 2: Convert to fraction form
    4,320.32/6,480.58 = 1,547.19/x
  3. Step 3: Cross multiply
    4,320.32x = 6,480.58 × 1,547.19
  4. Step 4: Simplify right side
    4,320.32x = 10,026,688.57
  5. Step 5: Solve for x
    x = 10,026,688.57/4,320.32
  6. Step 6: Final answer
    x = 2,320.82

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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.