Home / 5,851.20-8,776.80-1,902.45

Finding the Fourth Proportional to 5,851.20, 8,776.80 and 1,902.45

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Solution

The fourth proportional to 5,851.20, 8,776.80 and 1,902.45 is: 2,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.20 : 8,776.80 = 1,902.45 : x
  2. Step 2: Convert to fraction form
    5,851.20/8,776.80 = 1,902.45/x
  3. Step 3: Cross multiply
    5,851.20x = 8,776.80 × 1,902.45
  4. Step 4: Simplify right side
    5,851.20x = 16,697,423.16
  5. Step 5: Solve for x
    x = 16,697,423.16/5,851.20
  6. Step 6: Final answer
    x = 2,853.68

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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.