Home / 8,315.01-12,468.87-3,117.24

Finding the Fourth Proportional to 8,315.01, 12,468.87 and 3,117.24

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Solution

The fourth proportional to 8,315.01, 12,468.87 and 3,117.24 is: 4,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.01 : 12,468.87 = 3,117.24 : x
  2. Step 2: Convert to fraction form
    8,315.01/12,468.87 = 3,117.24/x
  3. Step 3: Cross multiply
    8,315.01x = 12,468.87 × 3,117.24
  4. Step 4: Simplify right side
    8,315.01x = 38,868,460.32
  5. Step 5: Solve for x
    x = 38,868,460.32/8,315.01
  6. Step 6: Final answer
    x = 4,674.49

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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.