Home / 4,318.30-6,477.48-1,398.66

Finding the Fourth Proportional to 4,318.30, 6,477.48 and 1,398.66

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Solution

The fourth proportional to 4,318.30, 6,477.48 and 1,398.66 is: 2,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.30 : 6,477.48 = 1,398.66 : x
  2. Step 2: Convert to fraction form
    4,318.30/6,477.48 = 1,398.66/x
  3. Step 3: Cross multiply
    4,318.30x = 6,477.48 × 1,398.66
  4. Step 4: Simplify right side
    4,318.30x = 9,059,792.18
  5. Step 5: Solve for x
    x = 9,059,792.18/4,318.30
  6. Step 6: Final answer
    x = 2,098.00

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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.