Home / 9,079.60-12,529.08-5,100.40

Finding the Fourth Proportional to 9,079.60, 12,529.08 and 5,100.40

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Solution

The fourth proportional to 9,079.60, 12,529.08 and 5,100.40 is: 7,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.60 : 12,529.08 = 5,100.40 : x
  2. Step 2: Convert to fraction form
    9,079.60/12,529.08 = 5,100.40/x
  3. Step 3: Cross multiply
    9,079.60x = 12,529.08 × 5,100.40
  4. Step 4: Simplify right side
    9,079.60x = 63,903,319.63
  5. Step 5: Solve for x
    x = 63,903,319.63/9,079.60
  6. Step 6: Final answer
    x = 7,038.12

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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.