Home / 8,378.30-11,562.05-4,841.51

Finding the Fourth Proportional to 8,378.30, 11,562.05 and 4,841.51

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Solution

The fourth proportional to 8,378.30, 11,562.05 and 4,841.51 is: 6,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.30 : 11,562.05 = 4,841.51 : x
  2. Step 2: Convert to fraction form
    8,378.30/11,562.05 = 4,841.51/x
  3. Step 3: Cross multiply
    8,378.30x = 11,562.05 × 4,841.51
  4. Step 4: Simplify right side
    8,378.30x = 55,977,734.99
  5. Step 5: Solve for x
    x = 55,977,734.99/8,378.30
  6. Step 6: Final answer
    x = 6,681.27

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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.