Home / 7,410.76-11,116.10-2,970.40

Finding the Fourth Proportional to 7,410.76, 11,116.10 and 2,970.40

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Solution

The fourth proportional to 7,410.76, 11,116.10 and 2,970.40 is: 4,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.76 : 11,116.10 = 2,970.40 : x
  2. Step 2: Convert to fraction form
    7,410.76/11,116.10 = 2,970.40/x
  3. Step 3: Cross multiply
    7,410.76x = 11,116.10 × 2,970.40
  4. Step 4: Simplify right side
    7,410.76x = 33,019,263.44
  5. Step 5: Solve for x
    x = 33,019,263.44/7,410.76
  6. Step 6: Final answer
    x = 4,455.58

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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.