Home / 5,323.15-7,987.80-2,401.45

Finding the Fourth Proportional to 5,323.15, 7,987.80 and 2,401.45

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Solution

The fourth proportional to 5,323.15, 7,987.80 and 2,401.45 is: 3,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.15 : 7,987.80 = 2,401.45 : x
  2. Step 2: Convert to fraction form
    5,323.15/7,987.80 = 2,401.45/x
  3. Step 3: Cross multiply
    5,323.15x = 7,987.80 × 2,401.45
  4. Step 4: Simplify right side
    5,323.15x = 19,182,322.77
  5. Step 5: Solve for x
    x = 19,182,322.77/5,323.15
  6. Step 6: Final answer
    x = 3,603.57

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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.