Home / 7,860.23-11,770.63-4,695.72

Finding the Fourth Proportional to 7,860.23, 11,770.63 and 4,695.72

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Solution

The fourth proportional to 7,860.23, 11,770.63 and 4,695.72 is: 7,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.23 : 11,770.63 = 4,695.72 : x
  2. Step 2: Convert to fraction form
    7,860.23/11,770.63 = 4,695.72/x
  3. Step 3: Cross multiply
    7,860.23x = 11,770.63 × 4,695.72
  4. Step 4: Simplify right side
    7,860.23x = 55,271,589.36
  5. Step 5: Solve for x
    x = 55,271,589.36/7,860.23
  6. Step 6: Final answer
    x = 7,031.80

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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.