Home / 4,345.67-6,518.88-1,225.70

Finding the Fourth Proportional to 4,345.67, 6,518.88 and 1,225.70

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Solution

The fourth proportional to 4,345.67, 6,518.88 and 1,225.70 is: 1,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.67 : 6,518.88 = 1,225.70 : x
  2. Step 2: Convert to fraction form
    4,345.67/6,518.88 = 1,225.70/x
  3. Step 3: Cross multiply
    4,345.67x = 6,518.88 × 1,225.70
  4. Step 4: Simplify right side
    4,345.67x = 7,990,158.62
  5. Step 5: Solve for x
    x = 7,990,158.62/4,345.67
  6. Step 6: Final answer
    x = 1,838.65

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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.