Home / 7,528.04-10,388.96-5,005.76

Finding the Fourth Proportional to 7,528.04, 10,388.96 and 5,005.76

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Solution

The fourth proportional to 7,528.04, 10,388.96 and 5,005.76 is: 6,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.04 : 10,388.96 = 5,005.76 : x
  2. Step 2: Convert to fraction form
    7,528.04/10,388.96 = 5,005.76/x
  3. Step 3: Cross multiply
    7,528.04x = 10,388.96 × 5,005.76
  4. Step 4: Simplify right side
    7,528.04x = 52,004,640.41
  5. Step 5: Solve for x
    x = 52,004,640.41/7,528.04
  6. Step 6: Final answer
    x = 6,908.12

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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.