Home / 9,746.40-14,619.60-3,509.40

Finding the Fourth Proportional to 9,746.40, 14,619.60 and 3,509.40

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Solution

The fourth proportional to 9,746.40, 14,619.60 and 3,509.40 is: 5,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,746.40 : 14,619.60 = 3,509.40 : x
  2. Step 2: Convert to fraction form
    9,746.40/14,619.60 = 3,509.40/x
  3. Step 3: Cross multiply
    9,746.40x = 14,619.60 × 3,509.40
  4. Step 4: Simplify right side
    9,746.40x = 51,306,024.24
  5. Step 5: Solve for x
    x = 51,306,024.24/9,746.40
  6. Step 6: Final answer
    x = 5,264.10

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Similar ratio
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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.