Home / 9,770.40-13,483.92-6,045.60

Finding the Fourth Proportional to 9,770.40, 13,483.92 and 6,045.60

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Solution

The fourth proportional to 9,770.40, 13,483.92 and 6,045.60 is: 8,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,770.40 : 13,483.92 = 6,045.60 : x
  2. Step 2: Convert to fraction form
    9,770.40/13,483.92 = 6,045.60/x
  3. Step 3: Cross multiply
    9,770.40x = 13,483.92 × 6,045.60
  4. Step 4: Simplify right side
    9,770.40x = 81,518,386.75
  5. Step 5: Solve for x
    x = 81,518,386.75/9,770.40
  6. Step 6: Final answer
    x = 8,343.40

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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.