Home / 7,810.63-11,715.92-1,967.24

Finding the Fourth Proportional to 7,810.63, 11,715.92 and 1,967.24

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Solution

The fourth proportional to 7,810.63, 11,715.92 and 1,967.24 is: 2,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.63 : 11,715.92 = 1,967.24 : x
  2. Step 2: Convert to fraction form
    7,810.63/11,715.92 = 1,967.24/x
  3. Step 3: Cross multiply
    7,810.63x = 11,715.92 × 1,967.24
  4. Step 4: Simplify right side
    7,810.63x = 23,048,026.46
  5. Step 5: Solve for x
    x = 23,048,026.46/7,810.63
  6. Step 6: Final answer
    x = 2,950.85

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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.