Home / 7,077.36-10,620.14-2,916.59

Finding the Fourth Proportional to 7,077.36, 10,620.14 and 2,916.59

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Solution

The fourth proportional to 7,077.36, 10,620.14 and 2,916.59 is: 4,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.36 : 10,620.14 = 2,916.59 : x
  2. Step 2: Convert to fraction form
    7,077.36/10,620.14 = 2,916.59/x
  3. Step 3: Cross multiply
    7,077.36x = 10,620.14 × 2,916.59
  4. Step 4: Simplify right side
    7,077.36x = 30,974,526.44
  5. Step 5: Solve for x
    x = 30,974,526.44/7,077.36
  6. Step 6: Final answer
    x = 4,376.57

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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.