Home / 7,690.48-10,613.06-4,706.26

Finding the Fourth Proportional to 7,690.48, 10,613.06 and 4,706.26

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Solution

The fourth proportional to 7,690.48, 10,613.06 and 4,706.26 is: 6,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.48 : 10,613.06 = 4,706.26 : x
  2. Step 2: Convert to fraction form
    7,690.48/10,613.06 = 4,706.26/x
  3. Step 3: Cross multiply
    7,690.48x = 10,613.06 × 4,706.26
  4. Step 4: Simplify right side
    7,690.48x = 49,947,819.76
  5. Step 5: Solve for x
    x = 49,947,819.76/7,690.48
  6. Step 6: Final answer
    x = 6,494.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.