Home / 7,617.51-11,420.48-5,271.28

Finding the Fourth Proportional to 7,617.51, 11,420.48 and 5,271.28

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Solution

The fourth proportional to 7,617.51, 11,420.48 and 5,271.28 is: 7,902.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.51 : 11,420.48 = 5,271.28 : x
  2. Step 2: Convert to fraction form
    7,617.51/11,420.48 = 5,271.28/x
  3. Step 3: Cross multiply
    7,617.51x = 11,420.48 × 5,271.28
  4. Step 4: Simplify right side
    7,617.51x = 60,200,547.81
  5. Step 5: Solve for x
    x = 60,200,547.81/7,617.51
  6. Step 6: Final answer
    x = 7,902.92

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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.