Home / 7,478.36-11,210.34-2,797.10

Finding the Fourth Proportional to 7,478.36, 11,210.34 and 2,797.10

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Solution

The fourth proportional to 7,478.36, 11,210.34 and 2,797.10 is: 4,192.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.36 : 11,210.34 = 2,797.10 : x
  2. Step 2: Convert to fraction form
    7,478.36/11,210.34 = 2,797.10/x
  3. Step 3: Cross multiply
    7,478.36x = 11,210.34 × 2,797.10
  4. Step 4: Simplify right side
    7,478.36x = 31,356,385.96
  5. Step 5: Solve for x
    x = 31,356,385.96/7,478.36
  6. Step 6: Final answer
    x = 4,192.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.