Home / 4,347.47-6,516.34-1,878.59

Finding the Fourth Proportional to 4,347.47, 6,516.34 and 1,878.59

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Solution

The fourth proportional to 4,347.47, 6,516.34 and 1,878.59 is: 2,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347.47 : 6,516.34 = 1,878.59 : x
  2. Step 2: Convert to fraction form
    4,347.47/6,516.34 = 1,878.59/x
  3. Step 3: Cross multiply
    4,347.47x = 6,516.34 × 1,878.59
  4. Step 4: Simplify right side
    4,347.47x = 12,241,531.16
  5. Step 5: Solve for x
    x = 12,241,531.16/4,347.47
  6. Step 6: Final answer
    x = 2,815.78

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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.