Home / 6,970.91-10,455.44-2,587.77

Finding the Fourth Proportional to 6,970.91, 10,455.44 and 2,587.77

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Solution

The fourth proportional to 6,970.91, 10,455.44 and 2,587.77 is: 3,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.91 : 10,455.44 = 2,587.77 : x
  2. Step 2: Convert to fraction form
    6,970.91/10,455.44 = 2,587.77/x
  3. Step 3: Cross multiply
    6,970.91x = 10,455.44 × 2,587.77
  4. Step 4: Simplify right side
    6,970.91x = 27,056,261.03
  5. Step 5: Solve for x
    x = 27,056,261.03/6,970.91
  6. Step 6: Final answer
    x = 3,881.31

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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.