Home / 7,695.64-11,541.80-2,431.06

Finding the Fourth Proportional to 7,695.64, 11,541.80 and 2,431.06

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Solution

The fourth proportional to 7,695.64, 11,541.80 and 2,431.06 is: 3,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.64 : 11,541.80 = 2,431.06 : x
  2. Step 2: Convert to fraction form
    7,695.64/11,541.80 = 2,431.06/x
  3. Step 3: Cross multiply
    7,695.64x = 11,541.80 × 2,431.06
  4. Step 4: Simplify right side
    7,695.64x = 28,058,808.31
  5. Step 5: Solve for x
    x = 28,058,808.31/7,695.64
  6. Step 6: Final answer
    x = 3,646.07

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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.