Home / 6,330.40-9,495.60-4,386.40

Finding the Fourth Proportional to 6,330.40, 9,495.60 and 4,386.40

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Solution

The fourth proportional to 6,330.40, 9,495.60 and 4,386.40 is: 6,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.40 : 9,495.60 = 4,386.40 : x
  2. Step 2: Convert to fraction form
    6,330.40/9,495.60 = 4,386.40/x
  3. Step 3: Cross multiply
    6,330.40x = 9,495.60 × 4,386.40
  4. Step 4: Simplify right side
    6,330.40x = 41,651,499.84
  5. Step 5: Solve for x
    x = 41,651,499.84/6,330.40
  6. Step 6: Final answer
    x = 6,579.60

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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.