Home / 5,624.50-7,762.08-3,106.98

Finding the Fourth Proportional to 5,624.50, 7,762.08 and 3,106.98

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Solution

The fourth proportional to 5,624.50, 7,762.08 and 3,106.98 is: 4,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.50 : 7,762.08 = 3,106.98 : x
  2. Step 2: Convert to fraction form
    5,624.50/7,762.08 = 3,106.98/x
  3. Step 3: Cross multiply
    5,624.50x = 7,762.08 × 3,106.98
  4. Step 4: Simplify right side
    5,624.50x = 24,116,627.32
  5. Step 5: Solve for x
    x = 24,116,627.32/5,624.50
  6. Step 6: Final answer
    x = 4,287.78

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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.