Home / 8,325.51-11,490.21-5,340.25

Finding the Fourth Proportional to 8,325.51, 11,490.21 and 5,340.25

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Solution

The fourth proportional to 8,325.51, 11,490.21 and 5,340.25 is: 7,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.51 : 11,490.21 = 5,340.25 : x
  2. Step 2: Convert to fraction form
    8,325.51/11,490.21 = 5,340.25/x
  3. Step 3: Cross multiply
    8,325.51x = 11,490.21 × 5,340.25
  4. Step 4: Simplify right side
    8,325.51x = 61,360,593.95
  5. Step 5: Solve for x
    x = 61,360,593.95/8,325.51
  6. Step 6: Final answer
    x = 7,370.19

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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.