Home / 7,530.03-10,387.98-4,878.32

Finding the Fourth Proportional to 7,530.03, 10,387.98 and 4,878.32

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Solution

The fourth proportional to 7,530.03, 10,387.98 and 4,878.32 is: 6,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.03 : 10,387.98 = 4,878.32 : x
  2. Step 2: Convert to fraction form
    7,530.03/10,387.98 = 4,878.32/x
  3. Step 3: Cross multiply
    7,530.03x = 10,387.98 × 4,878.32
  4. Step 4: Simplify right side
    7,530.03x = 50,675,838.65
  5. Step 5: Solve for x
    x = 50,675,838.65/7,530.03
  6. Step 6: Final answer
    x = 6,729.83

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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.