Home / 6,320.61-8,722.13-3,525.57

Finding the Fourth Proportional to 6,320.61, 8,722.13 and 3,525.57

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Solution

The fourth proportional to 6,320.61, 8,722.13 and 3,525.57 is: 4,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.61 : 8,722.13 = 3,525.57 : x
  2. Step 2: Convert to fraction form
    6,320.61/8,722.13 = 3,525.57/x
  3. Step 3: Cross multiply
    6,320.61x = 8,722.13 × 3,525.57
  4. Step 4: Simplify right side
    6,320.61x = 30,750,462.24
  5. Step 5: Solve for x
    x = 30,750,462.24/6,320.61
  6. Step 6: Final answer
    x = 4,865.11

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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.