Home / 7,624.19-10,518.04-4,478.96

Finding the Fourth Proportional to 7,624.19, 10,518.04 and 4,478.96

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Solution

The fourth proportional to 7,624.19, 10,518.04 and 4,478.96 is: 6,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.19 : 10,518.04 = 4,478.96 : x
  2. Step 2: Convert to fraction form
    7,624.19/10,518.04 = 4,478.96/x
  3. Step 3: Cross multiply
    7,624.19x = 10,518.04 × 4,478.96
  4. Step 4: Simplify right side
    7,624.19x = 47,109,880.44
  5. Step 5: Solve for x
    x = 47,109,880.44/7,624.19
  6. Step 6: Final answer
    x = 6,179.00

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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.