Home / 8,541.99-11,788.02-5,138.51

Finding the Fourth Proportional to 8,541.99, 11,788.02 and 5,138.51

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Solution

The fourth proportional to 8,541.99, 11,788.02 and 5,138.51 is: 7,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.99 : 11,788.02 = 5,138.51 : x
  2. Step 2: Convert to fraction form
    8,541.99/11,788.02 = 5,138.51/x
  3. Step 3: Cross multiply
    8,541.99x = 11,788.02 × 5,138.51
  4. Step 4: Simplify right side
    8,541.99x = 60,572,799.71
  5. Step 5: Solve for x
    x = 60,572,799.71/8,541.99
  6. Step 6: Final answer
    x = 7,091.18

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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.