Home / 7,528.08-10,388.88-4,384.20

Finding the Fourth Proportional to 7,528.08, 10,388.88 and 4,384.20

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Solution

The fourth proportional to 7,528.08, 10,388.88 and 4,384.20 is: 6,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.08 : 10,388.88 = 4,384.20 : x
  2. Step 2: Convert to fraction form
    7,528.08/10,388.88 = 4,384.20/x
  3. Step 3: Cross multiply
    7,528.08x = 10,388.88 × 4,384.20
  4. Step 4: Simplify right side
    7,528.08x = 45,546,927.70
  5. Step 5: Solve for x
    x = 45,546,927.70/7,528.08
  6. Step 6: Final answer
    x = 6,050.27

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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.