Home / 9,740.02-13,440.93-5,548.06

Finding the Fourth Proportional to 9,740.02, 13,440.93 and 5,548.06

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Solution

The fourth proportional to 9,740.02, 13,440.93 and 5,548.06 is: 7,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,740.02 : 13,440.93 = 5,548.06 : x
  2. Step 2: Convert to fraction form
    9,740.02/13,440.93 = 5,548.06/x
  3. Step 3: Cross multiply
    9,740.02x = 13,440.93 × 5,548.06
  4. Step 4: Simplify right side
    9,740.02x = 74,571,086.10
  5. Step 5: Solve for x
    x = 74,571,086.10/9,740.02
  6. Step 6: Final answer
    x = 7,656.15

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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.