Home / 7,154.38-10,716.81-5,307.58

Finding the Fourth Proportional to 7,154.38, 10,716.81 and 5,307.58

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Solution

The fourth proportional to 7,154.38, 10,716.81 and 5,307.58 is: 7,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.38 : 10,716.81 = 5,307.58 : x
  2. Step 2: Convert to fraction form
    7,154.38/10,716.81 = 5,307.58/x
  3. Step 3: Cross multiply
    7,154.38x = 10,716.81 × 5,307.58
  4. Step 4: Simplify right side
    7,154.38x = 56,880,326.42
  5. Step 5: Solve for x
    x = 56,880,326.42/7,154.38
  6. Step 6: Final answer
    x = 7,950.42

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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.