Home / 5,245.51-7,865.55-1,547.27

Finding the Fourth Proportional to 5,245.51, 7,865.55 and 1,547.27

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Solution

The fourth proportional to 5,245.51, 7,865.55 and 1,547.27 is: 2,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.51 : 7,865.55 = 1,547.27 : x
  2. Step 2: Convert to fraction form
    5,245.51/7,865.55 = 1,547.27/x
  3. Step 3: Cross multiply
    5,245.51x = 7,865.55 × 1,547.27
  4. Step 4: Simplify right side
    5,245.51x = 12,170,090.22
  5. Step 5: Solve for x
    x = 12,170,090.22/5,245.51
  6. Step 6: Final answer
    x = 2,320.10

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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.