Home / 5,477.16-7,558.88-3,119.45

Finding the Fourth Proportional to 5,477.16, 7,558.88 and 3,119.45

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Solution

The fourth proportional to 5,477.16, 7,558.88 and 3,119.45 is: 4,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.16 : 7,558.88 = 3,119.45 : x
  2. Step 2: Convert to fraction form
    5,477.16/7,558.88 = 3,119.45/x
  3. Step 3: Cross multiply
    5,477.16x = 7,558.88 × 3,119.45
  4. Step 4: Simplify right side
    5,477.16x = 23,579,551.52
  5. Step 5: Solve for x
    x = 23,579,551.52/5,477.16
  6. Step 6: Final answer
    x = 4,305.07

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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.