Home / 4,681.31-7,019.64-2,902.55

Finding the Fourth Proportional to 4,681.31, 7,019.64 and 2,902.55

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Solution

The fourth proportional to 4,681.31, 7,019.64 and 2,902.55 is: 4,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.31 : 7,019.64 = 2,902.55 : x
  2. Step 2: Convert to fraction form
    4,681.31/7,019.64 = 2,902.55/x
  3. Step 3: Cross multiply
    4,681.31x = 7,019.64 × 2,902.55
  4. Step 4: Simplify right side
    4,681.31x = 20,374,856.08
  5. Step 5: Solve for x
    x = 20,374,856.08/4,681.31
  6. Step 6: Final answer
    x = 4,352.38

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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.