Home / 7,903.56-11,852.68-2,637.40

Finding the Fourth Proportional to 7,903.56, 11,852.68 and 2,637.40

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Solution

The fourth proportional to 7,903.56, 11,852.68 and 2,637.40 is: 3,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.56 : 11,852.68 = 2,637.40 : x
  2. Step 2: Convert to fraction form
    7,903.56/11,852.68 = 2,637.40/x
  3. Step 3: Cross multiply
    7,903.56x = 11,852.68 × 2,637.40
  4. Step 4: Simplify right side
    7,903.56x = 31,260,258.23
  5. Step 5: Solve for x
    x = 31,260,258.23/7,903.56
  6. Step 6: Final answer
    x = 3,955.21

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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.