Home / 7,151.19-9,868.95-4,007.36

Finding the Fourth Proportional to 7,151.19, 9,868.95 and 4,007.36

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Solution

The fourth proportional to 7,151.19, 9,868.95 and 4,007.36 is: 5,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.19 : 9,868.95 = 4,007.36 : x
  2. Step 2: Convert to fraction form
    7,151.19/9,868.95 = 4,007.36/x
  3. Step 3: Cross multiply
    7,151.19x = 9,868.95 × 4,007.36
  4. Step 4: Simplify right side
    7,151.19x = 39,548,386.13
  5. Step 5: Solve for x
    x = 39,548,386.13/7,151.19
  6. Step 6: Final answer
    x = 5,530.32

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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.