Home / 4,971.80-6,854.64-3,557.72

Finding the Fourth Proportional to 4,971.80, 6,854.64 and 3,557.72

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Solution

The fourth proportional to 4,971.80, 6,854.64 and 3,557.72 is: 4,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.80 : 6,854.64 = 3,557.72 : x
  2. Step 2: Convert to fraction form
    4,971.80/6,854.64 = 3,557.72/x
  3. Step 3: Cross multiply
    4,971.80x = 6,854.64 × 3,557.72
  4. Step 4: Simplify right side
    4,971.80x = 24,386,889.82
  5. Step 5: Solve for x
    x = 24,386,889.82/4,971.80
  6. Step 6: Final answer
    x = 4,905.04

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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.