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Finding the Fourth Proportional to 6,707.51, 9,259.46 and 4,020.01

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Solution

The fourth proportional to 6,707.51, 9,259.46 and 4,020.01 is: 5,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.51 : 9,259.46 = 4,020.01 : x
  2. Step 2: Convert to fraction form
    6,707.51/9,259.46 = 4,020.01/x
  3. Step 3: Cross multiply
    6,707.51x = 9,259.46 × 4,020.01
  4. Step 4: Simplify right side
    6,707.51x = 37,223,121.79
  5. Step 5: Solve for x
    x = 37,223,121.79/6,707.51
  6. Step 6: Final answer
    x = 5,549.47

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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.