Home / 9,047.02-12,477.98-7,790.26

Finding the Fourth Proportional to 9,047.02, 12,477.98 and 7,790.26

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Solution

The fourth proportional to 9,047.02, 12,477.98 and 7,790.26 is: 10,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047.02 : 12,477.98 = 7,790.26 : x
  2. Step 2: Convert to fraction form
    9,047.02/12,477.98 = 7,790.26/x
  3. Step 3: Cross multiply
    9,047.02x = 12,477.98 × 7,790.26
  4. Step 4: Simplify right side
    9,047.02x = 97,206,708.47
  5. Step 5: Solve for x
    x = 97,206,708.47/9,047.02
  6. Step 6: Final answer
    x = 10,744.61

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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.