Home / 9,117.46-12,574.34-6,289.35

Finding the Fourth Proportional to 9,117.46, 12,574.34 and 6,289.35

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Solution

The fourth proportional to 9,117.46, 12,574.34 and 6,289.35 is: 8,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.46 : 12,574.34 = 6,289.35 : x
  2. Step 2: Convert to fraction form
    9,117.46/12,574.34 = 6,289.35/x
  3. Step 3: Cross multiply
    9,117.46x = 12,574.34 × 6,289.35
  4. Step 4: Simplify right side
    9,117.46x = 79,084,370.26
  5. Step 5: Solve for x
    x = 79,084,370.26/9,117.46
  6. Step 6: Final answer
    x = 8,673.95

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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.