Home / 9,637.81-13,300.01-5,445.97

Finding the Fourth Proportional to 9,637.81, 13,300.01 and 5,445.97

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Solution

The fourth proportional to 9,637.81, 13,300.01 and 5,445.97 is: 7,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,637.81 : 13,300.01 = 5,445.97 : x
  2. Step 2: Convert to fraction form
    9,637.81/13,300.01 = 5,445.97/x
  3. Step 3: Cross multiply
    9,637.81x = 13,300.01 × 5,445.97
  4. Step 4: Simplify right side
    9,637.81x = 72,431,428.23
  5. Step 5: Solve for x
    x = 72,431,428.23/9,637.81
  6. Step 6: Final answer
    x = 7,515.34

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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.