Home / 9,261.30-13,889.52-4,328.40

Finding the Fourth Proportional to 9,261.30, 13,889.52 and 4,328.40

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Solution

The fourth proportional to 9,261.30, 13,889.52 and 4,328.40 is: 6,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.30 : 13,889.52 = 4,328.40 : x
  2. Step 2: Convert to fraction form
    9,261.30/13,889.52 = 4,328.40/x
  3. Step 3: Cross multiply
    9,261.30x = 13,889.52 × 4,328.40
  4. Step 4: Simplify right side
    9,261.30x = 60,119,398.37
  5. Step 5: Solve for x
    x = 60,119,398.37/9,261.30
  6. Step 6: Final answer
    x = 6,491.46

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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.