Home / 7,120.98-10,683.63-5,045.00

Finding the Fourth Proportional to 7,120.98, 10,683.63 and 5,045.00

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Solution

The fourth proportional to 7,120.98, 10,683.63 and 5,045.00 is: 7,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.98 : 10,683.63 = 5,045.00 : x
  2. Step 2: Convert to fraction form
    7,120.98/10,683.63 = 5,045.00/x
  3. Step 3: Cross multiply
    7,120.98x = 10,683.63 × 5,045.00
  4. Step 4: Simplify right side
    7,120.98x = 53,898,859.93
  5. Step 5: Solve for x
    x = 53,898,859.93/7,120.98
  6. Step 6: Final answer
    x = 7,569.02

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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.