Home / 7,557.30-11,332.91-2,875.70

Finding the Fourth Proportional to 7,557.30, 11,332.91 and 2,875.70

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Solution

The fourth proportional to 7,557.30, 11,332.91 and 2,875.70 is: 4,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.30 : 11,332.91 = 2,875.70 : x
  2. Step 2: Convert to fraction form
    7,557.30/11,332.91 = 2,875.70/x
  3. Step 3: Cross multiply
    7,557.30x = 11,332.91 × 2,875.70
  4. Step 4: Simplify right side
    7,557.30x = 32,590,084.81
  5. Step 5: Solve for x
    x = 32,590,084.81/7,557.30
  6. Step 6: Final answer
    x = 4,312.40

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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.