Home / 4,746.80-7,119.40-1,459

Finding the Fourth Proportional to 4,746.80, 7,119.40 and 1,459

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Solution

The fourth proportional to 4,746.80, 7,119.40 and 1,459 is: 2,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.80 : 7,119.40 = 1,459 : x
  2. Step 2: Convert to fraction form
    4,746.80/7,119.40 = 1,459/x
  3. Step 3: Cross multiply
    4,746.80x = 7,119.40 × 1,459
  4. Step 4: Simplify right side
    4,746.80x = 10,387,204.60
  5. Step 5: Solve for x
    x = 10,387,204.60/4,746.80
  6. Step 6: Final answer
    x = 2,188.25

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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.