Home / 7,686.56-10,603.60-6,272.16

Finding the Fourth Proportional to 7,686.56, 10,603.60 and 6,272.16

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Solution

The fourth proportional to 7,686.56, 10,603.60 and 6,272.16 is: 8,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.56 : 10,603.60 = 6,272.16 : x
  2. Step 2: Convert to fraction form
    7,686.56/10,603.60 = 6,272.16/x
  3. Step 3: Cross multiply
    7,686.56x = 10,603.60 × 6,272.16
  4. Step 4: Simplify right side
    7,686.56x = 66,507,475.78
  5. Step 5: Solve for x
    x = 66,507,475.78/7,686.56
  6. Step 6: Final answer
    x = 8,652.44

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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.