Home / 8,764.55-12,095.15-4,785.40

Finding the Fourth Proportional to 8,764.55, 12,095.15 and 4,785.40

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Solution

The fourth proportional to 8,764.55, 12,095.15 and 4,785.40 is: 6,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.55 : 12,095.15 = 4,785.40 : x
  2. Step 2: Convert to fraction form
    8,764.55/12,095.15 = 4,785.40/x
  3. Step 3: Cross multiply
    8,764.55x = 12,095.15 × 4,785.40
  4. Step 4: Simplify right side
    8,764.55x = 57,880,130.81
  5. Step 5: Solve for x
    x = 57,880,130.81/8,764.55
  6. Step 6: Final answer
    x = 6,603.89

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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.