Home / 4,459.97-6,689.95-1,340

Finding the Fourth Proportional to 4,459.97, 6,689.95 and 1,340

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Solution

The fourth proportional to 4,459.97, 6,689.95 and 1,340 is: 2,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.97 : 6,689.95 = 1,340 : x
  2. Step 2: Convert to fraction form
    4,459.97/6,689.95 = 1,340/x
  3. Step 3: Cross multiply
    4,459.97x = 6,689.95 × 1,340
  4. Step 4: Simplify right side
    4,459.97x = 8,964,533
  5. Step 5: Solve for x
    x = 8,964,533/4,459.97
  6. Step 6: Final answer
    x = 2,010.00

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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.