Home / 9,210.50-12,706.46-6,225.26

Finding the Fourth Proportional to 9,210.50, 12,706.46 and 6,225.26

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Solution

The fourth proportional to 9,210.50, 12,706.46 and 6,225.26 is: 8,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.50 : 12,706.46 = 6,225.26 : x
  2. Step 2: Convert to fraction form
    9,210.50/12,706.46 = 6,225.26/x
  3. Step 3: Cross multiply
    9,210.50x = 12,706.46 × 6,225.26
  4. Step 4: Simplify right side
    9,210.50x = 79,101,017.18
  5. Step 5: Solve for x
    x = 79,101,017.18/9,210.50
  6. Step 6: Final answer
    x = 8,588.13

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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.