Home / 7,279.57-10,035.63-6,156.00

Finding the Fourth Proportional to 7,279.57, 10,035.63 and 6,156.00

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Solution

The fourth proportional to 7,279.57, 10,035.63 and 6,156.00 is: 8,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.57 : 10,035.63 = 6,156.00 : x
  2. Step 2: Convert to fraction form
    7,279.57/10,035.63 = 6,156.00/x
  3. Step 3: Cross multiply
    7,279.57x = 10,035.63 × 6,156.00
  4. Step 4: Simplify right side
    7,279.57x = 61,779,288.10
  5. Step 5: Solve for x
    x = 61,779,288.10/7,279.57
  6. Step 6: Final answer
    x = 8,486.67

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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.