Home / 4,994.36-6,888.48-3,312.80

Finding the Fourth Proportional to 4,994.36, 6,888.48 and 3,312.80

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Solution

The fourth proportional to 4,994.36, 6,888.48 and 3,312.80 is: 4,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.36 : 6,888.48 = 3,312.80 : x
  2. Step 2: Convert to fraction form
    4,994.36/6,888.48 = 3,312.80/x
  3. Step 3: Cross multiply
    4,994.36x = 6,888.48 × 3,312.80
  4. Step 4: Simplify right side
    4,994.36x = 22,820,156.54
  5. Step 5: Solve for x
    x = 22,820,156.54/4,994.36
  6. Step 6: Final answer
    x = 4,569.19

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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.