Home / 7,043.03-10,554.06-6,420.66

Finding the Fourth Proportional to 7,043.03, 10,554.06 and 6,420.66

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Solution

The fourth proportional to 7,043.03, 10,554.06 and 6,420.66 is: 9,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.03 : 10,554.06 = 6,420.66 : x
  2. Step 2: Convert to fraction form
    7,043.03/10,554.06 = 6,420.66/x
  3. Step 3: Cross multiply
    7,043.03x = 10,554.06 × 6,420.66
  4. Step 4: Simplify right side
    7,043.03x = 67,764,030.88
  5. Step 5: Solve for x
    x = 67,764,030.88/7,043.03
  6. Step 6: Final answer
    x = 9,621.43

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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.