Home / 9,261.29-12,782.66-5,903.43

Finding the Fourth Proportional to 9,261.29, 12,782.66 and 5,903.43

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Solution

The fourth proportional to 9,261.29, 12,782.66 and 5,903.43 is: 8,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.29 : 12,782.66 = 5,903.43 : x
  2. Step 2: Convert to fraction form
    9,261.29/12,782.66 = 5,903.43/x
  3. Step 3: Cross multiply
    9,261.29x = 12,782.66 × 5,903.43
  4. Step 4: Simplify right side
    9,261.29x = 75,461,509.01
  5. Step 5: Solve for x
    x = 75,461,509.01/9,261.29
  6. Step 6: Final answer
    x = 8,148.06

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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.