Home / 7,225.40-10,838.10-4,443.08

Finding the Fourth Proportional to 7,225.40, 10,838.10 and 4,443.08

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Solution

The fourth proportional to 7,225.40, 10,838.10 and 4,443.08 is: 6,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.40 : 10,838.10 = 4,443.08 : x
  2. Step 2: Convert to fraction form
    7,225.40/10,838.10 = 4,443.08/x
  3. Step 3: Cross multiply
    7,225.40x = 10,838.10 × 4,443.08
  4. Step 4: Simplify right side
    7,225.40x = 48,154,545.35
  5. Step 5: Solve for x
    x = 48,154,545.35/7,225.40
  6. Step 6: Final answer
    x = 6,664.62

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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.