Home / 7,359.12-11,038.68-2,165.40

Finding the Fourth Proportional to 7,359.12, 11,038.68 and 2,165.40

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Solution

The fourth proportional to 7,359.12, 11,038.68 and 2,165.40 is: 3,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.12 : 11,038.68 = 2,165.40 : x
  2. Step 2: Convert to fraction form
    7,359.12/11,038.68 = 2,165.40/x
  3. Step 3: Cross multiply
    7,359.12x = 11,038.68 × 2,165.40
  4. Step 4: Simplify right side
    7,359.12x = 23,903,157.67
  5. Step 5: Solve for x
    x = 23,903,157.67/7,359.12
  6. Step 6: Final answer
    x = 3,248.10

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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.