Home / 4,670.16-7,003.20-2,478.40

Finding the Fourth Proportional to 4,670.16, 7,003.20 and 2,478.40

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Solution

The fourth proportional to 4,670.16, 7,003.20 and 2,478.40 is: 3,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.16 : 7,003.20 = 2,478.40 : x
  2. Step 2: Convert to fraction form
    4,670.16/7,003.20 = 2,478.40/x
  3. Step 3: Cross multiply
    4,670.16x = 7,003.20 × 2,478.40
  4. Step 4: Simplify right side
    4,670.16x = 17,356,730.88
  5. Step 5: Solve for x
    x = 17,356,730.88/4,670.16
  6. Step 6: Final answer
    x = 3,716.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.