Home / 7,720.02-11,580.12-5,104.26

Finding the Fourth Proportional to 7,720.02, 11,580.12 and 5,104.26

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Solution

The fourth proportional to 7,720.02, 11,580.12 and 5,104.26 is: 7,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.02 : 11,580.12 = 5,104.26 : x
  2. Step 2: Convert to fraction form
    7,720.02/11,580.12 = 5,104.26/x
  3. Step 3: Cross multiply
    7,720.02x = 11,580.12 × 5,104.26
  4. Step 4: Simplify right side
    7,720.02x = 59,107,943.31
  5. Step 5: Solve for x
    x = 59,107,943.31/7,720.02
  6. Step 6: Final answer
    x = 7,656.45

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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.