Home / 9,210.45-13,815.75-5,710.64

Finding the Fourth Proportional to 9,210.45, 13,815.75 and 5,710.64

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Solution

The fourth proportional to 9,210.45, 13,815.75 and 5,710.64 is: 8,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.45 : 13,815.75 = 5,710.64 : x
  2. Step 2: Convert to fraction form
    9,210.45/13,815.75 = 5,710.64/x
  3. Step 3: Cross multiply
    9,210.45x = 13,815.75 × 5,710.64
  4. Step 4: Simplify right side
    9,210.45x = 78,896,774.58
  5. Step 5: Solve for x
    x = 78,896,774.58/9,210.45
  6. Step 6: Final answer
    x = 8,566.01

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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.