Home / 7,756.60-10,703.45-4,398.34

Finding the Fourth Proportional to 7,756.60, 10,703.45 and 4,398.34

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Solution

The fourth proportional to 7,756.60, 10,703.45 and 4,398.34 is: 6,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.60 : 10,703.45 = 4,398.34 : x
  2. Step 2: Convert to fraction form
    7,756.60/10,703.45 = 4,398.34/x
  3. Step 3: Cross multiply
    7,756.60x = 10,703.45 × 4,398.34
  4. Step 4: Simplify right side
    7,756.60x = 47,077,336.76
  5. Step 5: Solve for x
    x = 47,077,336.76/7,756.60
  6. Step 6: Final answer
    x = 6,069.33

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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.