Home / 7,240.35-10,878.75-4,609.07

Finding the Fourth Proportional to 7,240.35, 10,878.75 and 4,609.07

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Solution

The fourth proportional to 7,240.35, 10,878.75 and 4,609.07 is: 6,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.35 : 10,878.75 = 4,609.07 : x
  2. Step 2: Convert to fraction form
    7,240.35/10,878.75 = 4,609.07/x
  3. Step 3: Cross multiply
    7,240.35x = 10,878.75 × 4,609.07
  4. Step 4: Simplify right side
    7,240.35x = 50,140,920.26
  5. Step 5: Solve for x
    x = 50,140,920.26/7,240.35
  6. Step 6: Final answer
    x = 6,925.21

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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.