Home / 5,319.92-7,341.51-3,051.35

Finding the Fourth Proportional to 5,319.92, 7,341.51 and 3,051.35

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Solution

The fourth proportional to 5,319.92, 7,341.51 and 3,051.35 is: 4,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.92 : 7,341.51 = 3,051.35 : x
  2. Step 2: Convert to fraction form
    5,319.92/7,341.51 = 3,051.35/x
  3. Step 3: Cross multiply
    5,319.92x = 7,341.51 × 3,051.35
  4. Step 4: Simplify right side
    5,319.92x = 22,401,479.83
  5. Step 5: Solve for x
    x = 22,401,479.83/5,319.92
  6. Step 6: Final answer
    x = 4,210.87

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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.