Home / 4,547.12-6,272.98-2,778.39

Finding the Fourth Proportional to 4,547.12, 6,272.98 and 2,778.39

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Solution

The fourth proportional to 4,547.12, 6,272.98 and 2,778.39 is: 3,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.12 : 6,272.98 = 2,778.39 : x
  2. Step 2: Convert to fraction form
    4,547.12/6,272.98 = 2,778.39/x
  3. Step 3: Cross multiply
    4,547.12x = 6,272.98 × 2,778.39
  4. Step 4: Simplify right side
    4,547.12x = 17,428,777.96
  5. Step 5: Solve for x
    x = 17,428,777.96/4,547.12
  6. Step 6: Final answer
    x = 3,832.93

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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.