Home / 6,480.19-8,937.84-5,585.55

Finding the Fourth Proportional to 6,480.19, 8,937.84 and 5,585.55

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Solution

The fourth proportional to 6,480.19, 8,937.84 and 5,585.55 is: 7,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.19 : 8,937.84 = 5,585.55 : x
  2. Step 2: Convert to fraction form
    6,480.19/8,937.84 = 5,585.55/x
  3. Step 3: Cross multiply
    6,480.19x = 8,937.84 × 5,585.55
  4. Step 4: Simplify right side
    6,480.19x = 49,922,752.21
  5. Step 5: Solve for x
    x = 49,922,752.21/6,480.19
  6. Step 6: Final answer
    x = 7,703.90

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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.