Home / 7,985.01-11,019.29-4,629.77

Finding the Fourth Proportional to 7,985.01, 11,019.29 and 4,629.77

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Solution

The fourth proportional to 7,985.01, 11,019.29 and 4,629.77 is: 6,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.01 : 11,019.29 = 4,629.77 : x
  2. Step 2: Convert to fraction form
    7,985.01/11,019.29 = 4,629.77/x
  3. Step 3: Cross multiply
    7,985.01x = 11,019.29 × 4,629.77
  4. Step 4: Simplify right side
    7,985.01x = 51,016,723.17
  5. Step 5: Solve for x
    x = 51,016,723.17/7,985.01
  6. Step 6: Final answer
    x = 6,389.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.