Home / 4,658.28-6,987.62-2,319.40

Finding the Fourth Proportional to 4,658.28, 6,987.62 and 2,319.40

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Solution

The fourth proportional to 4,658.28, 6,987.62 and 2,319.40 is: 3,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.28 : 6,987.62 = 2,319.40 : x
  2. Step 2: Convert to fraction form
    4,658.28/6,987.62 = 2,319.40/x
  3. Step 3: Cross multiply
    4,658.28x = 6,987.62 × 2,319.40
  4. Step 4: Simplify right side
    4,658.28x = 16,207,074.23
  5. Step 5: Solve for x
    x = 16,207,074.23/4,658.28
  6. Step 6: Final answer
    x = 3,479.20

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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.