Home / 6,317.92-8,721.36-4,502.08

Finding the Fourth Proportional to 6,317.92, 8,721.36 and 4,502.08

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Solution

The fourth proportional to 6,317.92, 8,721.36 and 4,502.08 is: 6,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.92 : 8,721.36 = 4,502.08 : x
  2. Step 2: Convert to fraction form
    6,317.92/8,721.36 = 4,502.08/x
  3. Step 3: Cross multiply
    6,317.92x = 8,721.36 × 4,502.08
  4. Step 4: Simplify right side
    6,317.92x = 39,264,260.43
  5. Step 5: Solve for x
    x = 39,264,260.43/6,317.92
  6. Step 6: Final answer
    x = 6,214.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.