Home / 4,723.02-6,520.47-3,131.84

Finding the Fourth Proportional to 4,723.02, 6,520.47 and 3,131.84

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Solution

The fourth proportional to 4,723.02, 6,520.47 and 3,131.84 is: 4,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.02 : 6,520.47 = 3,131.84 : x
  2. Step 2: Convert to fraction form
    4,723.02/6,520.47 = 3,131.84/x
  3. Step 3: Cross multiply
    4,723.02x = 6,520.47 × 3,131.84
  4. Step 4: Simplify right side
    4,723.02x = 20,421,036.16
  5. Step 5: Solve for x
    x = 20,421,036.16/4,723.02
  6. Step 6: Final answer
    x = 4,323.72

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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.