Home / 7,770.07-10,722.77-4,412.95

Finding the Fourth Proportional to 7,770.07, 10,722.77 and 4,412.95

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Solution

The fourth proportional to 7,770.07, 10,722.77 and 4,412.95 is: 6,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.07 : 10,722.77 = 4,412.95 : x
  2. Step 2: Convert to fraction form
    7,770.07/10,722.77 = 4,412.95/x
  3. Step 3: Cross multiply
    7,770.07x = 10,722.77 × 4,412.95
  4. Step 4: Simplify right side
    7,770.07x = 47,319,025.81
  5. Step 5: Solve for x
    x = 47,319,025.81/7,770.07
  6. Step 6: Final answer
    x = 6,089.91

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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.