Home / 7,011.74-10,532.88-4,239.72

Finding the Fourth Proportional to 7,011.74, 10,532.88 and 4,239.72

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Solution

The fourth proportional to 7,011.74, 10,532.88 and 4,239.72 is: 6,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.74 : 10,532.88 = 4,239.72 : x
  2. Step 2: Convert to fraction form
    7,011.74/10,532.88 = 4,239.72/x
  3. Step 3: Cross multiply
    7,011.74x = 10,532.88 × 4,239.72
  4. Step 4: Simplify right side
    7,011.74x = 44,656,461.99
  5. Step 5: Solve for x
    x = 44,656,461.99/7,011.74
  6. Step 6: Final answer
    x = 6,368.81

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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.