Home / 8,695.48-13,045.64-2,856.19

Finding the Fourth Proportional to 8,695.48, 13,045.64 and 2,856.19

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Solution

The fourth proportional to 8,695.48, 13,045.64 and 2,856.19 is: 4,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.48 : 13,045.64 = 2,856.19 : x
  2. Step 2: Convert to fraction form
    8,695.48/13,045.64 = 2,856.19/x
  3. Step 3: Cross multiply
    8,695.48x = 13,045.64 × 2,856.19
  4. Step 4: Simplify right side
    8,695.48x = 37,260,826.51
  5. Step 5: Solve for x
    x = 37,260,826.51/8,695.48
  6. Step 6: Final answer
    x = 4,285.08

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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.