Home / 7,019.11-9,688.00-4,629.51

Finding the Fourth Proportional to 7,019.11, 9,688.00 and 4,629.51

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Solution

The fourth proportional to 7,019.11, 9,688.00 and 4,629.51 is: 6,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.11 : 9,688.00 = 4,629.51 : x
  2. Step 2: Convert to fraction form
    7,019.11/9,688.00 = 4,629.51/x
  3. Step 3: Cross multiply
    7,019.11x = 9,688.00 × 4,629.51
  4. Step 4: Simplify right side
    7,019.11x = 44,850,669.73
  5. Step 5: Solve for x
    x = 44,850,669.73/7,019.11
  6. Step 6: Final answer
    x = 6,389.80

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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.