Home / 4,639.31-6,402.35-2,543.45

Finding the Fourth Proportional to 4,639.31, 6,402.35 and 2,543.45

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Solution

The fourth proportional to 4,639.31, 6,402.35 and 2,543.45 is: 3,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.31 : 6,402.35 = 2,543.45 : x
  2. Step 2: Convert to fraction form
    4,639.31/6,402.35 = 2,543.45/x
  3. Step 3: Cross multiply
    4,639.31x = 6,402.35 × 2,543.45
  4. Step 4: Simplify right side
    4,639.31x = 16,284,031.45
  5. Step 5: Solve for x
    x = 16,284,031.45/4,639.31
  6. Step 6: Final answer
    x = 3,510.02

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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.