Home / 7,045.14-10,557.28-2,880.12

Finding the Fourth Proportional to 7,045.14, 10,557.28 and 2,880.12

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Solution

The fourth proportional to 7,045.14, 10,557.28 and 2,880.12 is: 4,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.14 : 10,557.28 = 2,880.12 : x
  2. Step 2: Convert to fraction form
    7,045.14/10,557.28 = 2,880.12/x
  3. Step 3: Cross multiply
    7,045.14x = 10,557.28 × 2,880.12
  4. Step 4: Simplify right side
    7,045.14x = 30,406,233.27
  5. Step 5: Solve for x
    x = 30,406,233.27/7,045.14
  6. Step 6: Final answer
    x = 4,315.92

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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.