Home / 6,416.95-9,626.70-3,130.10

Finding the Fourth Proportional to 6,416.95, 9,626.70 and 3,130.10

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Solution

The fourth proportional to 6,416.95, 9,626.70 and 3,130.10 is: 4,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.95 : 9,626.70 = 3,130.10 : x
  2. Step 2: Convert to fraction form
    6,416.95/9,626.70 = 3,130.10/x
  3. Step 3: Cross multiply
    6,416.95x = 9,626.70 × 3,130.10
  4. Step 4: Simplify right side
    6,416.95x = 30,132,518.02
  5. Step 5: Solve for x
    x = 30,132,518.02/6,416.95
  6. Step 6: Final answer
    x = 4,695.77

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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.