Home / 8,430.32-12,645.01-2,586.92

Finding the Fourth Proportional to 8,430.32, 12,645.01 and 2,586.92

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Solution

The fourth proportional to 8,430.32, 12,645.01 and 2,586.92 is: 3,880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.32 : 12,645.01 = 2,586.92 : x
  2. Step 2: Convert to fraction form
    8,430.32/12,645.01 = 2,586.92/x
  3. Step 3: Cross multiply
    8,430.32x = 12,645.01 × 2,586.92
  4. Step 4: Simplify right side
    8,430.32x = 32,711,569.28
  5. Step 5: Solve for x
    x = 32,711,569.28/8,430.32
  6. Step 6: Final answer
    x = 3,880.23

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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.