Home / 7,655.36-11,436.53-4,859.64

Finding the Fourth Proportional to 7,655.36, 11,436.53 and 4,859.64

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Solution

The fourth proportional to 7,655.36, 11,436.53 and 4,859.64 is: 7,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.36 : 11,436.53 = 4,859.64 : x
  2. Step 2: Convert to fraction form
    7,655.36/11,436.53 = 4,859.64/x
  3. Step 3: Cross multiply
    7,655.36x = 11,436.53 × 4,859.64
  4. Step 4: Simplify right side
    7,655.36x = 55,577,394.35
  5. Step 5: Solve for x
    x = 55,577,394.35/7,655.36
  6. Step 6: Final answer
    x = 7,259.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.