Home / 9,038.64-12,472.32-5,261.28

Finding the Fourth Proportional to 9,038.64, 12,472.32 and 5,261.28

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Solution

The fourth proportional to 9,038.64, 12,472.32 and 5,261.28 is: 7,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.64 : 12,472.32 = 5,261.28 : x
  2. Step 2: Convert to fraction form
    9,038.64/12,472.32 = 5,261.28/x
  3. Step 3: Cross multiply
    9,038.64x = 12,472.32 × 5,261.28
  4. Step 4: Simplify right side
    9,038.64x = 65,620,367.77
  5. Step 5: Solve for x
    x = 65,620,367.77/9,038.64
  6. Step 6: Final answer
    x = 7,259.98

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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.