Home / 7,534.05-11,301.75-1,987.32

Finding the Fourth Proportional to 7,534.05, 11,301.75 and 1,987.32

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Solution

The fourth proportional to 7,534.05, 11,301.75 and 1,987.32 is: 2,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.05 : 11,301.75 = 1,987.32 : x
  2. Step 2: Convert to fraction form
    7,534.05/11,301.75 = 1,987.32/x
  3. Step 3: Cross multiply
    7,534.05x = 11,301.75 × 1,987.32
  4. Step 4: Simplify right side
    7,534.05x = 22,460,193.81
  5. Step 5: Solve for x
    x = 22,460,193.81/7,534.05
  6. Step 6: Final answer
    x = 2,981.16

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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.