Home / 8,570.64-11,826.75-4,985.67

Finding the Fourth Proportional to 8,570.64, 11,826.75 and 4,985.67

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Solution

The fourth proportional to 8,570.64, 11,826.75 and 4,985.67 is: 6,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.64 : 11,826.75 = 4,985.67 : x
  2. Step 2: Convert to fraction form
    8,570.64/11,826.75 = 4,985.67/x
  3. Step 3: Cross multiply
    8,570.64x = 11,826.75 × 4,985.67
  4. Step 4: Simplify right side
    8,570.64x = 58,964,335.72
  5. Step 5: Solve for x
    x = 58,964,335.72/8,570.64
  6. Step 6: Final answer
    x = 6,879.80

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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.