Home / 4,746.80-6,551.38-2,758.50

Finding the Fourth Proportional to 4,746.80, 6,551.38 and 2,758.50

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Solution

The fourth proportional to 4,746.80, 6,551.38 and 2,758.50 is: 3,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.80 : 6,551.38 = 2,758.50 : x
  2. Step 2: Convert to fraction form
    4,746.80/6,551.38 = 2,758.50/x
  3. Step 3: Cross multiply
    4,746.80x = 6,551.38 × 2,758.50
  4. Step 4: Simplify right side
    4,746.80x = 18,072,009.75
  5. Step 5: Solve for x
    x = 18,072,009.75/4,746.80
  6. Step 6: Final answer
    x = 3,807.20

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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.