Home / 5,820.56-8,029.77-3,931.53

Finding the Fourth Proportional to 5,820.56, 8,029.77 and 3,931.53

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Solution

The fourth proportional to 5,820.56, 8,029.77 and 3,931.53 is: 5,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.56 : 8,029.77 = 3,931.53 : x
  2. Step 2: Convert to fraction form
    5,820.56/8,029.77 = 3,931.53/x
  3. Step 3: Cross multiply
    5,820.56x = 8,029.77 × 3,931.53
  4. Step 4: Simplify right side
    5,820.56x = 31,569,281.65
  5. Step 5: Solve for x
    x = 31,569,281.65/5,820.56
  6. Step 6: Final answer
    x = 5,423.76

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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.