Home / 7,117.61-10,678.44-2,438.24

Finding the Fourth Proportional to 7,117.61, 10,678.44 and 2,438.24

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Solution

The fourth proportional to 7,117.61, 10,678.44 and 2,438.24 is: 3,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.61 : 10,678.44 = 2,438.24 : x
  2. Step 2: Convert to fraction form
    7,117.61/10,678.44 = 2,438.24/x
  3. Step 3: Cross multiply
    7,117.61x = 10,678.44 × 2,438.24
  4. Step 4: Simplify right side
    7,117.61x = 26,036,599.55
  5. Step 5: Solve for x
    x = 26,036,599.55/7,117.61
  6. Step 6: Final answer
    x = 3,658.05

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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.