Home / 7,547.08-11,316.81-2,615.39

Finding the Fourth Proportional to 7,547.08, 11,316.81 and 2,615.39

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Solution

The fourth proportional to 7,547.08, 11,316.81 and 2,615.39 is: 3,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.08 : 11,316.81 = 2,615.39 : x
  2. Step 2: Convert to fraction form
    7,547.08/11,316.81 = 2,615.39/x
  3. Step 3: Cross multiply
    7,547.08x = 11,316.81 × 2,615.39
  4. Step 4: Simplify right side
    7,547.08x = 29,597,871.71
  5. Step 5: Solve for x
    x = 29,597,871.71/7,547.08
  6. Step 6: Final answer
    x = 3,921.76

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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.