Home / 4,318.53-6,478.74-1,397.13

Finding the Fourth Proportional to 4,318.53, 6,478.74 and 1,397.13

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Solution

The fourth proportional to 4,318.53, 6,478.74 and 1,397.13 is: 2,096.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.53 : 6,478.74 = 1,397.13 : x
  2. Step 2: Convert to fraction form
    4,318.53/6,478.74 = 1,397.13/x
  3. Step 3: Cross multiply
    4,318.53x = 6,478.74 × 1,397.13
  4. Step 4: Simplify right side
    4,318.53x = 9,051,642.02
  5. Step 5: Solve for x
    x = 9,051,642.02/4,318.53
  6. Step 6: Final answer
    x = 2,096.00

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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.