Home / 6,752.23-9,319.98-3,920.21

Finding the Fourth Proportional to 6,752.23, 9,319.98 and 3,920.21

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Solution

The fourth proportional to 6,752.23, 9,319.98 and 3,920.21 is: 5,411.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.23 : 9,319.98 = 3,920.21 : x
  2. Step 2: Convert to fraction form
    6,752.23/9,319.98 = 3,920.21/x
  3. Step 3: Cross multiply
    6,752.23x = 9,319.98 × 3,920.21
  4. Step 4: Simplify right side
    6,752.23x = 36,536,312.22
  5. Step 5: Solve for x
    x = 36,536,312.22/6,752.23
  6. Step 6: Final answer
    x = 5,411.00

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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.