Home / 4,316.64-6,478.16-1,543.36

Finding the Fourth Proportional to 4,316.64, 6,478.16 and 1,543.36

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Solution

The fourth proportional to 4,316.64, 6,478.16 and 1,543.36 is: 2,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.64 : 6,478.16 = 1,543.36 : x
  2. Step 2: Convert to fraction form
    4,316.64/6,478.16 = 1,543.36/x
  3. Step 3: Cross multiply
    4,316.64x = 6,478.16 × 1,543.36
  4. Step 4: Simplify right side
    4,316.64x = 9,998,133.02
  5. Step 5: Solve for x
    x = 9,998,133.02/4,316.64
  6. Step 6: Final answer
    x = 2,316.18

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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.