Home / 4,308.13-6,461.72-1,386.19

Finding the Fourth Proportional to 4,308.13, 6,461.72 and 1,386.19

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Solution

The fourth proportional to 4,308.13, 6,461.72 and 1,386.19 is: 2,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.13 : 6,461.72 = 1,386.19 : x
  2. Step 2: Convert to fraction form
    4,308.13/6,461.72 = 1,386.19/x
  3. Step 3: Cross multiply
    4,308.13x = 6,461.72 × 1,386.19
  4. Step 4: Simplify right side
    4,308.13x = 8,957,148.56
  5. Step 5: Solve for x
    x = 8,957,148.56/4,308.13
  6. Step 6: Final answer
    x = 2,079.13

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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.