Home / 8,870.34-13,298.13-3,938.46

Finding the Fourth Proportional to 8,870.34, 13,298.13 and 3,938.46

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Solution

The fourth proportional to 8,870.34, 13,298.13 and 3,938.46 is: 5,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.34 : 13,298.13 = 3,938.46 : x
  2. Step 2: Convert to fraction form
    8,870.34/13,298.13 = 3,938.46/x
  3. Step 3: Cross multiply
    8,870.34x = 13,298.13 × 3,938.46
  4. Step 4: Simplify right side
    8,870.34x = 52,374,153.08
  5. Step 5: Solve for x
    x = 52,374,153.08/8,870.34
  6. Step 6: Final answer
    x = 5,904.41

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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.