Home / 7,810.08-10,777.89-4,273.28

Finding the Fourth Proportional to 7,810.08, 10,777.89 and 4,273.28

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Solution

The fourth proportional to 7,810.08, 10,777.89 and 4,273.28 is: 5,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.08 : 10,777.89 = 4,273.28 : x
  2. Step 2: Convert to fraction form
    7,810.08/10,777.89 = 4,273.28/x
  3. Step 3: Cross multiply
    7,810.08x = 10,777.89 × 4,273.28
  4. Step 4: Simplify right side
    7,810.08x = 46,056,941.78
  5. Step 5: Solve for x
    x = 46,056,941.78/7,810.08
  6. Step 6: Final answer
    x = 5,897.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.