Home / 8,725.21-12,038.07-4,948.08

Finding the Fourth Proportional to 8,725.21, 12,038.07 and 4,948.08

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Solution

The fourth proportional to 8,725.21, 12,038.07 and 4,948.08 is: 6,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.21 : 12,038.07 = 4,948.08 : x
  2. Step 2: Convert to fraction form
    8,725.21/12,038.07 = 4,948.08/x
  3. Step 3: Cross multiply
    8,725.21x = 12,038.07 × 4,948.08
  4. Step 4: Simplify right side
    8,725.21x = 59,565,278.99
  5. Step 5: Solve for x
    x = 59,565,278.99/8,725.21
  6. Step 6: Final answer
    x = 6,826.80

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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.