Home / 6,913.80-10,364.40-2,530.20

Finding the Fourth Proportional to 6,913.80, 10,364.40 and 2,530.20

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Solution

The fourth proportional to 6,913.80, 10,364.40 and 2,530.20 is: 3,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.80 : 10,364.40 = 2,530.20 : x
  2. Step 2: Convert to fraction form
    6,913.80/10,364.40 = 2,530.20/x
  3. Step 3: Cross multiply
    6,913.80x = 10,364.40 × 2,530.20
  4. Step 4: Simplify right side
    6,913.80x = 26,224,004.88
  5. Step 5: Solve for x
    x = 26,224,004.88/6,913.80
  6. Step 6: Final answer
    x = 3,792.99

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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.