Home / 7,746.07-10,681.71-6,630.70

Finding the Fourth Proportional to 7,746.07, 10,681.71 and 6,630.70

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Solution

The fourth proportional to 7,746.07, 10,681.71 and 6,630.70 is: 9,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.07 : 10,681.71 = 6,630.70 : x
  2. Step 2: Convert to fraction form
    7,746.07/10,681.71 = 6,630.70/x
  3. Step 3: Cross multiply
    7,746.07x = 10,681.71 × 6,630.70
  4. Step 4: Simplify right side
    7,746.07x = 70,827,214.50
  5. Step 5: Solve for x
    x = 70,827,214.50/7,746.07
  6. Step 6: Final answer
    x = 9,143.63

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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.