Home / 7,281.42-10,920.74-2,349.87

Finding the Fourth Proportional to 7,281.42, 10,920.74 and 2,349.87

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Solution

The fourth proportional to 7,281.42, 10,920.74 and 2,349.87 is: 3,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.42 : 10,920.74 = 2,349.87 : x
  2. Step 2: Convert to fraction form
    7,281.42/10,920.74 = 2,349.87/x
  3. Step 3: Cross multiply
    7,281.42x = 10,920.74 × 2,349.87
  4. Step 4: Simplify right side
    7,281.42x = 25,662,307.55
  5. Step 5: Solve for x
    x = 25,662,307.55/7,281.42
  6. Step 6: Final answer
    x = 3,524.35

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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.