Home / 7,506.28-10,358.26-4,148.90

Finding the Fourth Proportional to 7,506.28, 10,358.26 and 4,148.90

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Solution

The fourth proportional to 7,506.28, 10,358.26 and 4,148.90 is: 5,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.28 : 10,358.26 = 4,148.90 : x
  2. Step 2: Convert to fraction form
    7,506.28/10,358.26 = 4,148.90/x
  3. Step 3: Cross multiply
    7,506.28x = 10,358.26 × 4,148.90
  4. Step 4: Simplify right side
    7,506.28x = 42,975,361.59
  5. Step 5: Solve for x
    x = 42,975,361.59/7,506.28
  6. Step 6: Final answer
    x = 5,725.25

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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.