Home / 6,988.60-10,466.70-4,785.40

Finding the Fourth Proportional to 6,988.60, 10,466.70 and 4,785.40

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Solution

The fourth proportional to 6,988.60, 10,466.70 and 4,785.40 is: 7,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.60 : 10,466.70 = 4,785.40 : x
  2. Step 2: Convert to fraction form
    6,988.60/10,466.70 = 4,785.40/x
  3. Step 3: Cross multiply
    6,988.60x = 10,466.70 × 4,785.40
  4. Step 4: Simplify right side
    6,988.60x = 50,087,346.18
  5. Step 5: Solve for x
    x = 50,087,346.18/6,988.60
  6. Step 6: Final answer
    x = 7,167.01

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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.