Home / 6,427.77-9,635.04-4,089.51

Finding the Fourth Proportional to 6,427.77, 9,635.04 and 4,089.51

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Solution

The fourth proportional to 6,427.77, 9,635.04 and 4,089.51 is: 6,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.77 : 9,635.04 = 4,089.51 : x
  2. Step 2: Convert to fraction form
    6,427.77/9,635.04 = 4,089.51/x
  3. Step 3: Cross multiply
    6,427.77x = 9,635.04 × 4,089.51
  4. Step 4: Simplify right side
    6,427.77x = 39,402,592.43
  5. Step 5: Solve for x
    x = 39,402,592.43/6,427.77
  6. Step 6: Final answer
    x = 6,130.06

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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.