Home / 7,681.86-11,525.49-4,397.70

Finding the Fourth Proportional to 7,681.86, 11,525.49 and 4,397.70

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Solution

The fourth proportional to 7,681.86, 11,525.49 and 4,397.70 is: 6,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.86 : 11,525.49 = 4,397.70 : x
  2. Step 2: Convert to fraction form
    7,681.86/11,525.49 = 4,397.70/x
  3. Step 3: Cross multiply
    7,681.86x = 11,525.49 × 4,397.70
  4. Step 4: Simplify right side
    7,681.86x = 50,685,647.37
  5. Step 5: Solve for x
    x = 50,685,647.37/7,681.86
  6. Step 6: Final answer
    x = 6,598.10

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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.