Home / 8,316.64-12,476.68-3,386.28

Finding the Fourth Proportional to 8,316.64, 12,476.68 and 3,386.28

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Solution

The fourth proportional to 8,316.64, 12,476.68 and 3,386.28 is: 5,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.64 : 12,476.68 = 3,386.28 : x
  2. Step 2: Convert to fraction form
    8,316.64/12,476.68 = 3,386.28/x
  3. Step 3: Cross multiply
    8,316.64x = 12,476.68 × 3,386.28
  4. Step 4: Simplify right side
    8,316.64x = 42,249,531.95
  5. Step 5: Solve for x
    x = 42,249,531.95/8,316.64
  6. Step 6: Final answer
    x = 5,080.12

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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.