Home / 7,615.04-10,507.64-4,257.44

Finding the Fourth Proportional to 7,615.04, 10,507.64 and 4,257.44

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Solution

The fourth proportional to 7,615.04, 10,507.64 and 4,257.44 is: 5,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.04 : 10,507.64 = 4,257.44 : x
  2. Step 2: Convert to fraction form
    7,615.04/10,507.64 = 4,257.44/x
  3. Step 3: Cross multiply
    7,615.04x = 10,507.64 × 4,257.44
  4. Step 4: Simplify right side
    7,615.04x = 44,735,646.84
  5. Step 5: Solve for x
    x = 44,735,646.84/7,615.04
  6. Step 6: Final answer
    x = 5,874.64

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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.