Home / 7,080.78-10,606.59-4,152.03

Finding the Fourth Proportional to 7,080.78, 10,606.59 and 4,152.03

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Solution

The fourth proportional to 7,080.78, 10,606.59 and 4,152.03 is: 6,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.78 : 10,606.59 = 4,152.03 : x
  2. Step 2: Convert to fraction form
    7,080.78/10,606.59 = 4,152.03/x
  3. Step 3: Cross multiply
    7,080.78x = 10,606.59 × 4,152.03
  4. Step 4: Simplify right side
    7,080.78x = 44,038,826.84
  5. Step 5: Solve for x
    x = 44,038,826.84/7,080.78
  6. Step 6: Final answer
    x = 6,219.49

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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.