Home / 5,686.08-7,845.57-4,271.28

Finding the Fourth Proportional to 5,686.08, 7,845.57 and 4,271.28

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Solution

The fourth proportional to 5,686.08, 7,845.57 and 4,271.28 is: 5,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.08 : 7,845.57 = 4,271.28 : x
  2. Step 2: Convert to fraction form
    5,686.08/7,845.57 = 4,271.28/x
  3. Step 3: Cross multiply
    5,686.08x = 7,845.57 × 4,271.28
  4. Step 4: Simplify right side
    5,686.08x = 33,510,626.23
  5. Step 5: Solve for x
    x = 33,510,626.23/5,686.08
  6. Step 6: Final answer
    x = 5,893.45

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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.