Home / 6,621.12-9,132-4,703.76

Finding the Fourth Proportional to 6,621.12, 9,132 and 4,703.76

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Solution

The fourth proportional to 6,621.12, 9,132 and 4,703.76 is: 6,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.12 : 9,132 = 4,703.76 : x
  2. Step 2: Convert to fraction form
    6,621.12/9,132 = 4,703.76/x
  3. Step 3: Cross multiply
    6,621.12x = 9,132 × 4,703.76
  4. Step 4: Simplify right side
    6,621.12x = 42,954,736.32
  5. Step 5: Solve for x
    x = 42,954,736.32/6,621.12
  6. Step 6: Final answer
    x = 6,487.53

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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.