Home / 4,430.58-6,117.12-3,420.46

Finding the Fourth Proportional to 4,430.58, 6,117.12 and 3,420.46

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Solution

The fourth proportional to 4,430.58, 6,117.12 and 3,420.46 is: 4,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.58 : 6,117.12 = 3,420.46 : x
  2. Step 2: Convert to fraction form
    4,430.58/6,117.12 = 3,420.46/x
  3. Step 3: Cross multiply
    4,430.58x = 6,117.12 × 3,420.46
  4. Step 4: Simplify right side
    4,430.58x = 20,923,364.28
  5. Step 5: Solve for x
    x = 20,923,364.28/4,430.58
  6. Step 6: Final answer
    x = 4,722.49

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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.