Home / 6,925.04-10,389-3,028.40

Finding the Fourth Proportional to 6,925.04, 10,389 and 3,028.40

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Solution

The fourth proportional to 6,925.04, 10,389 and 3,028.40 is: 4,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.04 : 10,389 = 3,028.40 : x
  2. Step 2: Convert to fraction form
    6,925.04/10,389 = 3,028.40/x
  3. Step 3: Cross multiply
    6,925.04x = 10,389 × 3,028.40
  4. Step 4: Simplify right side
    6,925.04x = 31,462,047.60
  5. Step 5: Solve for x
    x = 31,462,047.60/6,925.04
  6. Step 6: Final answer
    x = 4,543.23

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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.