Home / 4,977.76-6,866.64-3,088.16

Finding the Fourth Proportional to 4,977.76, 6,866.64 and 3,088.16

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Solution

The fourth proportional to 4,977.76, 6,866.64 and 3,088.16 is: 4,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.76 : 6,866.64 = 3,088.16 : x
  2. Step 2: Convert to fraction form
    4,977.76/6,866.64 = 3,088.16/x
  3. Step 3: Cross multiply
    4,977.76x = 6,866.64 × 3,088.16
  4. Step 4: Simplify right side
    4,977.76x = 21,205,282.98
  5. Step 5: Solve for x
    x = 21,205,282.98/4,977.76
  6. Step 6: Final answer
    x = 4,260.01

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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.