Home / 7,762.90-10,712.93-4,226.18

Finding the Fourth Proportional to 7,762.90, 10,712.93 and 4,226.18

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Solution

The fourth proportional to 7,762.90, 10,712.93 and 4,226.18 is: 5,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.90 : 10,712.93 = 4,226.18 : x
  2. Step 2: Convert to fraction form
    7,762.90/10,712.93 = 4,226.18/x
  3. Step 3: Cross multiply
    7,762.90x = 10,712.93 × 4,226.18
  4. Step 4: Simplify right side
    7,762.90x = 45,274,770.51
  5. Step 5: Solve for x
    x = 45,274,770.51/7,762.90
  6. Step 6: Final answer
    x = 5,832.20

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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.