Home / 7,528.65-11,310.27-5,312.58

Finding the Fourth Proportional to 7,528.65, 11,310.27 and 5,312.58

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Solution

The fourth proportional to 7,528.65, 11,310.27 and 5,312.58 is: 7,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.65 : 11,310.27 = 5,312.58 : x
  2. Step 2: Convert to fraction form
    7,528.65/11,310.27 = 5,312.58/x
  3. Step 3: Cross multiply
    7,528.65x = 11,310.27 × 5,312.58
  4. Step 4: Simplify right side
    7,528.65x = 60,086,714.20
  5. Step 5: Solve for x
    x = 60,086,714.20/7,528.65
  6. Step 6: Final answer
    x = 7,981.07

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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.