Home / 8,859.18-12,225.38-4,880.28

Finding the Fourth Proportional to 8,859.18, 12,225.38 and 4,880.28

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Solution

The fourth proportional to 8,859.18, 12,225.38 and 4,880.28 is: 6,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.18 : 12,225.38 = 4,880.28 : x
  2. Step 2: Convert to fraction form
    8,859.18/12,225.38 = 4,880.28/x
  3. Step 3: Cross multiply
    8,859.18x = 12,225.38 × 4,880.28
  4. Step 4: Simplify right side
    8,859.18x = 59,663,277.51
  5. Step 5: Solve for x
    x = 59,663,277.51/8,859.18
  6. Step 6: Final answer
    x = 6,734.63

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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.