Home / 8,752.12-13,130.78-4,074.89

Finding the Fourth Proportional to 8,752.12, 13,130.78 and 4,074.89

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Solution

The fourth proportional to 8,752.12, 13,130.78 and 4,074.89 is: 6,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.12 : 13,130.78 = 4,074.89 : x
  2. Step 2: Convert to fraction form
    8,752.12/13,130.78 = 4,074.89/x
  3. Step 3: Cross multiply
    8,752.12x = 13,130.78 × 4,074.89
  4. Step 4: Simplify right side
    8,752.12x = 53,506,398.09
  5. Step 5: Solve for x
    x = 53,506,398.09/8,752.12
  6. Step 6: Final answer
    x = 6,113.54

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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.