Home / 7,398.60-10,209.15-4,212.32

Finding the Fourth Proportional to 7,398.60, 10,209.15 and 4,212.32

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Solution

The fourth proportional to 7,398.60, 10,209.15 and 4,212.32 is: 5,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.60 : 10,209.15 = 4,212.32 : x
  2. Step 2: Convert to fraction form
    7,398.60/10,209.15 = 4,212.32/x
  3. Step 3: Cross multiply
    7,398.60x = 10,209.15 × 4,212.32
  4. Step 4: Simplify right side
    7,398.60x = 43,004,155.68
  5. Step 5: Solve for x
    x = 43,004,155.68/7,398.60
  6. Step 6: Final answer
    x = 5,812.47

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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.