Home / 7,506.04-10,358.40-4,148.80

Finding the Fourth Proportional to 7,506.04, 10,358.40 and 4,148.80

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Solution

The fourth proportional to 7,506.04, 10,358.40 and 4,148.80 is: 5,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.04 : 10,358.40 = 4,148.80 : x
  2. Step 2: Convert to fraction form
    7,506.04/10,358.40 = 4,148.80/x
  3. Step 3: Cross multiply
    7,506.04x = 10,358.40 × 4,148.80
  4. Step 4: Simplify right side
    7,506.04x = 42,974,929.92
  5. Step 5: Solve for x
    x = 42,974,929.92/7,506.04
  6. Step 6: Final answer
    x = 5,725.38

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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.