Home / 4,878.33-7,319.13-1,547.12

Finding the Fourth Proportional to 4,878.33, 7,319.13 and 1,547.12

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Solution

The fourth proportional to 4,878.33, 7,319.13 and 1,547.12 is: 2,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.33 : 7,319.13 = 1,547.12 : x
  2. Step 2: Convert to fraction form
    4,878.33/7,319.13 = 1,547.12/x
  3. Step 3: Cross multiply
    4,878.33x = 7,319.13 × 1,547.12
  4. Step 4: Simplify right side
    4,878.33x = 11,323,572.41
  5. Step 5: Solve for x
    x = 11,323,572.41/4,878.33
  6. Step 6: Final answer
    x = 2,321.20

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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.