Home / 7,885.08-10,880.85-4,348.21

Finding the Fourth Proportional to 7,885.08, 10,880.85 and 4,348.21

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Solution

The fourth proportional to 7,885.08, 10,880.85 and 4,348.21 is: 6,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.08 : 10,880.85 = 4,348.21 : x
  2. Step 2: Convert to fraction form
    7,885.08/10,880.85 = 4,348.21/x
  3. Step 3: Cross multiply
    7,885.08x = 10,880.85 × 4,348.21
  4. Step 4: Simplify right side
    7,885.08x = 47,312,220.78
  5. Step 5: Solve for x
    x = 47,312,220.78/7,885.08
  6. Step 6: Final answer
    x = 6,000.22

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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.