Home / 5,589.40-7,713.80-3,465.35

Finding the Fourth Proportional to 5,589.40, 7,713.80 and 3,465.35

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Solution

The fourth proportional to 5,589.40, 7,713.80 and 3,465.35 is: 4,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.40 : 7,713.80 = 3,465.35 : x
  2. Step 2: Convert to fraction form
    5,589.40/7,713.80 = 3,465.35/x
  3. Step 3: Cross multiply
    5,589.40x = 7,713.80 × 3,465.35
  4. Step 4: Simplify right side
    5,589.40x = 26,731,016.83
  5. Step 5: Solve for x
    x = 26,731,016.83/5,589.40
  6. Step 6: Final answer
    x = 4,782.45

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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.